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| Number | Title | Issue Date |
| 8066199 | Showerhead having a temperature sensitive valve having shape memory actuator A valve for preventing the flow of fluid when the temperature of the fluid is above a predetermined threshold, the valve including: a body having at least one opening for allowing the fluid to pass when the temperature of the fluid is below the predetermined thresho... | 11/29/2011 |
| 7347423 | Arrangement in connection with mechanical seal An arrangement in connection with a mechanical seal includes at least two sliding surfaces pressing against each other, which are arranged to seal a gap between a rotating and a non-rotating machining part, and mechanism for providing a sealing fluid flow cooling th... | 03/25/2008 |
| 7213614 | Automatic cold water feed-back mechanism for single handled faucet An automatic cold water feed-back mechanism for a single handled faucet includes a valve housing for a valve stick, a base mount, a switching valve, a valve seat to be adapted therein, a limiting valve mounted at the upper section of the valve housing, and a cold wa... | 05/08/2007 |
| 7086602 | Valve for mixing cold and hot water A valve includes a housing having an inlet opening and an inlet orifice for receiving cold and hot water, a barrel slidably received in the housing and movable to control the cold and the hot water to flow into the housing. A stem is secured to the barrel and shorte... | 08/08/2006 |
| 7000850 | Anti-scald water valve assembly An anti-scald water valve assembly comprises a body including a passage for water, a valve provided in the passage for shutting off the passage, and an electro-mechanical actuator to cause closing of the valve. A temperature sensor senses the temperature of water ru... | 02/21/2006 |
| 6843064 | Method and apparatus for turbulent refrigerant flow to evaporator A method of reducing superheat fluctuation and improving evaporator heat transfer comprises creating turbulent flow in refrigerant supplied to the evaporator. ... | 01/18/2005 |
| 6629645 | Water mixing valve apparatus A mixing valve apparatus including a mixing valve for mixing water from a cold water inlet and a hot water inlet and supplying the mixed water to a water outlet, the water inlets and outlets being for connection to an external water system, a valve servo ... | 10/07/2003 |
| 6082624 | Safety device for sanitary equipment A safety device for a sanitary equipment contains a reversing element, which reverses the water flow between two water passages located in a fitting housing. A temperature-sensitive element acts on the reversing element in such a way that when the latter ... | 07/04/2000 |
| 5915415 | Flow control valve assembly with temperature indicating capability for a water conveying device A flow control valve assembly is adapted for use with a water conveying device which is provided with a supply channel, a valve chamber, first and second outlet passages communicated fluidly with the valve chamber, and a mounting hole. The flow control va... | 06/29/1999 |
| 5647530 | Anti-scald sanitary valve A sanitary valve contains a valve housing with a fixed control surface and a hot water intake. In the valve housing is provided a control element, which controls the water quantity leaving the valve. According to the invention the sanitary valve contains ... | 07/15/1997 |
| 5642859 | Temperature-sensitive safety valve assembly A temperature sensitive safety valve assembly includes a housing for mounting at a faucet outlet and a safety valve element consisting of a rigid cap and an elastic bellows containing a body of temperature sensitive material. Below a predetermined tempera... | 07/01/1997 |
| 5586722 | Temperature and flow control valve A simple, one-chamber housing, having a uniformly increasing chamber diameter, has a generally ball-shaped valving element therewithin, and opposite ends of the housing are ported to admit and discharge fluid into and from the chamber. The element is free... | 12/24/1996 |
| 5584432 | Anti-scald valve with shape memory alloy actuator An anti-scald valve including a housing including a fluid flow inlet end and a fluid flow outlet end. A first valve component and a second valve component positioned in the housing between the inlet end and the outlet end. At least one of the first valve ... | 12/17/1996 |
| 5560541 | Anti-scald valve for bathroom showers A hot water shut off valve for use for domestic household water shower use which shuts off excessively hot water. The valve generally includes an water inlet source opening to an inner chamber. The inner chamber has an outlet source at the base of said ch... | 10/01/1996 |
| 5397053 | Temperature responsive, pilot operated line valve with shape memory alloy actuator A shape memory effect actuated diaphragmatic anti-scald valve, including a valve housing having a fluid flow path therethrough and including a pilot chamber. There is a first valve seat within the housing and a second valve seat within the housing and dow... | 03/14/1995 |
| 5368227 | Temperature limiting control valve for a shower head A temperature limiting control valve for a shower head including a housing having an internal water chamber, a water diversion piston slidably mounted in the internal water chamber, a thermostat mounted in water diversion piston that is closed by a predet... | 11/29/1994 |
| 5259554 | Temperature responsive, pilot operated line valve with shape memory alloy actuator A shape memory effect actuated diaphragmatic anti-scald valve, including a valve housing having a fluid flow path therethrough and including a pilot chamber. There is a first valve seat within the housing and a second valve seat within the housing and dow... | 11/09/1993 |
| 5211300 | Safety valve for feeding bottle A safety valve for mounting on the opening of a feeding bottle. The safety valve has an outer cap with a raised flat top in the middle with perforations thereon, and a flanged inner cap with a raised flat top in the middle disposed inside an interior spac... | 05/18/1993 |
| 5141153 | Energy conservation and anti-scald/burn single handle valve construction A water temperature sensing/flow control mixing valve has a valve body with hot and cold water inlets and at least one outlet. A mixing valve member is positioned within the valve body and controls the proportion of hot and cold water that flows from the ... | 08/25/1992 |
| 5123593 | Manual override heat sensitive valve The invention is directed to a novel manually overrideable heat sensitive valve. In a particular embodiment, this invention is directed to a novel faucet aerator which contains the valve. The faucet aerator, when affixed to a water faucet, can stop the fl... | 06/23/1992 |
| 5024378 | Shut-off valve for scald prevention An assembly is provided for the prevention of scalding in showers and other such installations. The assembly includes a valve assembly within a mixed water supply line and a temperature sensitive element for controlling the operation of the valve assembly... | 06/18/1991 |
| 4981261 | Shut-off valve for scald prevention An assembly is provided for the prevention of scalding in showers and other such installations. The assembly includes a valve assembly within a mixed water supply line and a temperature sensitive element for controlling the operation of the valve assembly... | 01/01/1991 |
| 4917294 | Shut-off valve for scald prevention An assembly is provided for the prevention of scalding in showers and other such installations. The assembly includes a valve assembly within a mixed water supply line and a temperature sensitive element for controlling the operation of the valve assembly... | 04/17/1990 |
| 4854499 | Temperature sensitive shower diverter valve and method for diverting shower water A temperature sensitive shower diverter valve and method for diverting shower water used between a source of shower water and a shower head to control the flow of water to the shower head. The diverter valve is positioned between the wall outlet pipe and ... | 08/08/1989 |
| 4778104 | Temperature responsive line valve Line valve apparatus for shower anti-scald and other uses comprising a housing (10) valving member (14) and a coil spring pilot valve (20) formed of a shape memory effect alloy and arranged for a first closed loop fluid blocking configuration to prevent, ... | 10/18/1988 |
| 4775101 | Safety valve A safety valve for a fluid delivery system having a duct in which the safety valve is housed. The safety valve comprises a temperature sensitive means through which fluid passes, this temperature sensitive means being connected to a retaining means which ... | 10/04/1988 |
| 4480784 | Hot water cutoff safety valve for showers A hot-water safety valve for preventing scalding of children and invalids when cold water supply to a mixing valve for a shower is interrupted, includes a thermostatic cup freely resting on a perforate transverse platform in a supply pipe upstream from a ... | 11/06/1984 |
| 4402455 | Automatic fluid control assembly An automatic fluid control assembly comprising housing means having an inlet port and outlet port so as to permit the fluid to flow through the housing means between the ports with valve means operatively associated with input port to control the volume o... | 09/06/1983 |
| 4295602 | Control valve A temperature-responsive valve for controlling the flow of fluid comprises a housing having a chamber therein, an inlet port communicating with said outlet port communicating with said chamber and a temperature deflectable partition. When the temperature ... | 10/20/1981 |
| 4281790 | Safety shower head This shower head serves to replace existing shower heads, and when the water becomes too hot for safety, it is so designed, that it will stop the hot water flow from striking the bather. It consists primarily of a fixed thermostat, which, when expanded, w... | 08/04/1981 |
| 4262844 | Control valve A temperature-responsive valve for controlling the flow of fluid substantially without being affected by the pressure of or the turbulence generated by said fluid, comprises a housing having a chamber therein, an inlet port communicating with said outlet ... | 04/21/1981 |
| 4210284 | Temperature limiting device A control valve is placed between a water supply pipe and a delivery device such as a tub spout or a shower head. The control valve includes a cylinder open at the discharge end. The supply line is connected to the other end of the cylinder by a series of... | 07/01/1980 |
| 4180208 | Temperature limiting shower control valve A valve for limiting the temperature of water flowing to a shower head, including a poppet valve member moveable into sealing engagement with a seat in response to the operation of an expansible temperature sensing member. Resilient means for accommodatin... | 12/25/1979 |
| 4039125 | Pressure balancing valve with thermal override A valving device for inclusion in a pair of lines delivering hot and cold water to a point of mixed flow use having respective flow valving sections including respective aligned valving members joined as a shuttle unit, secured to and extending through fl... | 08/02/1977 |
| 3938741 | Shower heads The shower head comprises a safety device connected between the water supply pipe and the shower nozzle and comprising a hollow housing having an entry end connectible to the water supply pipe, a valve seat provided in the housing in spaced relation to th... | 02/17/1976 |